projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| dcc09fd1 GU |
1 | /* |
| 2 | * Renesas R-Car System Controller | |
| 3 | * | |
| 4 | * Copyright (C) 2016 Glider bvba | |
| 5 | * | |
| 6 | * This program is free software; you can redistribute it and/or modify | |
| 7 | * it under the terms of the GNU General Public License as published by | |
| 8 | * the Free Software Foundation; version 2 of the License. | |
| 9 | */ | |
| 10 | #ifndef __SOC_RENESAS_RCAR_SYSC_H__ | |
| 11 | #define __SOC_RENESAS_RCAR_SYSC_H__ | |
| 12 | ||
| 13 | #include <linux/types.h> | |
| 14 | ||
| 15 | ||
| 16 | /* | |
| 17 | * Power Domain flags | |
| 18 | */ | |
| 19 | #define PD_CPU BIT(0) /* Area contains main CPU core */ | |
| 20 | #define PD_SCU BIT(1) /* Area contains SCU and L2 cache */ | |
| 21 | #define PD_NO_CR BIT(2) /* Area lacks PWR{ON,OFF}CR registers */ | |
| 22 | ||
| dcc09fd1 GU |
23 | #define PD_CPU_CR PD_CPU /* CPU area has CR (R-Car H1) */ |
| 24 | #define PD_CPU_NOCR PD_CPU | PD_NO_CR /* CPU area lacks CR (R-Car Gen2/3) */ | |
| 25 | #define PD_ALWAYS_ON PD_NO_CR /* Always-on area */ | |
| 26 | ||
| 27 | ||
| 28 | /* | |
| 29 | * Description of a Power Area | |
| 30 | */ | |
| 31 | ||
| 32 | struct rcar_sysc_area { | |
| 33 | const char *name; | |
| 34 | u16 chan_offs; /* Offset of PWRSR register for this area */ | |
| 35 | u8 chan_bit; /* Bit in PWR* (except for PWRUP in PWRSR) */ | |
| 36 | u8 isr_bit; /* Bit in SYSCI*R */ | |
| 37 | int parent; /* -1 if none */ | |
| 38 | unsigned int flags; /* See PD_* */ | |
| 39 | }; | |
| 40 | ||
| 41 | ||
| 42 | /* | |
| 43 | * SoC-specific Power Area Description | |
| 44 | */ | |
| 45 | ||
| 46 | struct rcar_sysc_info { | |
| afa6f53d | 47 | int (*init)(void); /* Optional */ |
| dcc09fd1 GU |
48 | const struct rcar_sysc_area *areas; |
| 49 | unsigned int num_areas; | |
| 50 | }; | |
| 51 | ||
| 603311ba | 52 | extern const struct rcar_sysc_info r8a7743_sysc_info; |
| 141723e0 | 53 | extern const struct rcar_sysc_info r8a7745_sysc_info; |
| 9b83ea17 | 54 | extern const struct rcar_sysc_info r8a7779_sysc_info; |
| ad7c9dbc | 55 | extern const struct rcar_sysc_info r8a7790_sysc_info; |
| c5fbb3c0 | 56 | extern const struct rcar_sysc_info r8a7791_sysc_info; |
| 7e49c845 | 57 | extern const struct rcar_sysc_info r8a7792_sysc_info; |
| 9af1dbcc | 58 | extern const struct rcar_sysc_info r8a7794_sysc_info; |
| 23f1e2ec | 59 | extern const struct rcar_sysc_info r8a7795_sysc_info; |
| e0c98b91 | 60 | extern const struct rcar_sysc_info r8a7796_sysc_info; |
| a527709b | 61 | extern const struct rcar_sysc_info r8a77965_sysc_info; |
| bab9b2a7 | 62 | extern const struct rcar_sysc_info r8a77970_sysc_info; |
| 41d6d8bd | 63 | extern const struct rcar_sysc_info r8a77980_sysc_info; |
| eed17c42 | 64 | extern const struct rcar_sysc_info r8a77995_sysc_info; |
| afa6f53d GU |
65 | |
| 66 | ||
| 67 | /* | |
| 68 | * Helpers for fixing up power area tables depending on SoC revision | |
| 69 | */ | |
| 70 | ||
| 71 | extern void rcar_sysc_nullify(struct rcar_sysc_area *areas, | |
| 72 | unsigned int num_areas, u8 id); | |
| 73 | ||
| dcc09fd1 | 74 | #endif /* __SOC_RENESAS_RCAR_SYSC_H__ */ |